ng0 <ng0@infotropique.org> writes:

> feh https://i.imgur.com/263enxT.jpg
> feh opens image
>
> Problem:
> user@abyayala ~/src/guix/guix$ feh https://i.imgur.com/263enxT.jpg
> feh WARNING: open url: server certificate verification failed. CAfile: none CRLfile: none
> feh WARNING: https://i.imgur.com/263enxT.jpg - File does not exist
> feh: No loadable images specified.
> See 'man feh' for detailed usage information

This is the same issue with libcurl as has been discussed many times in
the past.  Since it won't be fixed upstream any time soon (support for
CURL_CA_BUNDLE has been removed also for Windows), I suggest we "bite
the bullet" this time and add a hard-coded default.

I've verified that this patch works (on GuixSD):